Data Analysis
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Numbers or facts that describe something, It can be numerical, counted, or descriptive. | data
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| A straight line that best fits the data on the coordinate plane. | line of best fit
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| This a the sum of all the results included in the sample divided by the number of observations. It is the same as the average. | mean
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| Commonly used measures of statistics that describe the center or frequency of a distribution: mean, median, mode. | Measures of central tendency
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| A measurement of the variation of the data. This can include the range, standard deviation, percentiles, quartiles, and interquartile range. | measures of spread
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| The middle term in a set of data. If the data set has an even number of terms the median is the average of the two middle terms. | median
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| This is the most frequently occurring element in a set. | mode
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| This describes the relationship between one set of data that decreases as another set of data increases. Inversely related is a synonym. | negative correlation
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| In a set of data, there is no clear pattern to the points when graphed on a coordinate plane, the correlation of the points is neither positive or negative. | no relative coorelation
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| A continuous distribution that is symmetrical, bell-shaped and whose mean, median, and mode ar equal. The randon variable has an infinite theoretical range. | normal distribution
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| Total data set. | population
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| This describes the relationship between one set of data that increases as another set of data increases. This is synonymous with directly related. | positive correlation
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| This is the difference between the maximumasnd the minimum value in a data set. | range
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| This is part of a population selected to predict information about the population as a whole. | sample
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| A graph that displays a collection of ordered pairs. | scatter plot
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| This measures the deviation between the scores and the mean; it measures how dispersed the data is. The higher this is the more spread out the data is from each other. | standard deviation
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
Barbara Webb
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